September 21st, 2026 × #React#iPhoneDuo#AIAgents#WebDev
Developing for the iPhone Duo
Scott, Wes, and CJ debate whether Safari will support foldable APIs on the iPhone Duo, break down React 19.3, Pi Radius, Tailwind joining Shopify, and Herder's multi-machine update. Plus an airplane story you should not hear while eating.
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Scott, Wes, and CJ break down developing for the iPhone Duo with the Device Posture and Viewport Segments APIs, plus the React 19.3 release and Pi's new Radius platform. Also on deck: Tailwind joining Shopify, Shopify going back to native, Homebrew 7, Aeropeek, and Meta's Muse Agent.
Show Notes
- 00:00 Welcome to Syntax!
- 01:05 React 19.3
- 05:30 Pi announces Radius
- 15:26 iPhone Duo Initial Reactions
- 22:35 Developing for the iPhone Duo
- 32:16 Syntax Meetup in SF
- 32:52 Brought to you by Sentry!
- 33:10 Tailwind Labs is joining Shopify
- 35:36 Native is the Future of Mobile at Shopify
- 40:23 Herdr remote agents
- 46:13 Homebrew 7 Released
- 50:55 Meta Muse AI Agent
- 01:00:19 Scott's Switzerland Trip
- 01:07:25 Mic FX from Teenage Engineering
- 01:10:46 Three.js conference Badge
- 01:13:29 Don't let anyone take away your big box of cables
- 01:16:22 Aerospace Tiling Manager
- 01:24:26 Scott's new backpack
- 01:26:52 Claude, change this button to blue
- Hacker News post
- 01:31:23 Knap markdown template language
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